15th Anniversary of ZANDZ!

15th Anniversary of ZANDZ!

Dear friends! Centre for Lightning Protection and Grounding ZANDZ.com has a 15th anniversary!

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Which One is Better: 1 x 6-m Rod or 2 x 3-m Rods? (A Video)

Which One is Better: 1 x 6-m Rod or 2 x 3-m Rods? (A Video)

Dear colleagues, our partner Dmitry Krasavtsev (instagram.com/electric_noginsk/) has recorded an interesting experiment.

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Lightning Protection of an Arch Framed and Tent Hangar in the Khanty-Mansi Autonomous District

Lightning Protection of an Arch Framed and Tent Hangar in the Khanty-Mansi Autonomous District

In this article, we will consider the example calculation of the lightning protection and grounding arrangement for the arch framed and tent hangar in the Khanty-Mansi Autonomous District

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Webinar

Webinar "Storm Warning System"

Система предупреждения о грозовой опасности - Storm warning system Can a storm warning system affect design solutions for lightning protection? Can the system minimize victims and material damage from lightning strikes? We will answer these questions in details during the webinar and study the Thunderstorm Warning System (TWS) in details. Webinar plan: What ...

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Lightning Protection of a Meteorological Station in a Transformer Substation

Lightning Protection of a Meteorological Station in a Transformer Substation

A meteorological station is a set of various instruments designed for meteorology measurements (weather observations). They can be installed at the locations convenient for the user since they are much more compact than in past. The ZANDZ Technical Center has received a request to calculate the lightning protection for a meteorological station located in a transformer substation. Unusual ...

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The Simplest SDP

The Simplest SDP

The SDP's principle of operation is very simple. You should bypass the protected equipment with a fast-acting automatic circuit breaker. In a normal operating mode, the breaker is open and does not affect the electrical circuit in any way. In case of a surge, it should trigger by shorting the circuit and thus avoid surge getting to the protected facility. It should do that for several fractions ...

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Lightning Protection and Grounding of a Surgery Complex in the Rostov Region

Lightning Protection and Grounding of a Surgery Complex in the Rostov Region

In this article, we will look into an example calculation for the lightning protection and grounding system for a surgery complex in the Rostov Region

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Lightning Caused a Fire In a Poultry Farm

Lightning Caused a Fire In a Poultry Farm

In June 2021, a fire occurred in one of poultry houses at the poultry farm "Ravis" near Chelyabinsk.

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Lightning Protection of A Building Made of Sandwich Panels for A Tomographic Scanner

Lightning Protection of A Building Made of Sandwich Panels for A Tomographic Scanner

Today, mobile medical centers intended for computer diagnostics can be assumed as a common fact. The ZANDZ Technical Center has received a request to calculate the lightning protection system for the building made of sandwich panels, wherein a tomographic scanner and a mobile medical site will be located. Let's further consider the proposed solution.

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Why Do We Need A Fuse Upstream of SDPs?

Why Do We Need A Fuse Upstream of SDPs?

УЗИП - SDP Защищаемый объект - Protected facility While air spark gap arresters have expanded the operating range of the lightning current and successfully dealt with large follow short-circuit currents, they still do not ensure an absolute reliability. Any technical device can fail at any point. And not in all cases disconnection of the damaged electrical circuit may be ...

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Lightning Protection of A Box Office for Sports Events

Lightning Protection of A Box Office for Sports Events

The ZANDZ Technical Center has received a request to calculate the lightning protection and grounding system for the box office. Our engineers have developed an optimal solution that will be discussed further.

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Webinar Titled

Webinar Titled "Online Calculation of Lightning Protection for An Explosives Warehouse"

Онлайн расчет молниезащиты склада взрывчатых веществ - Online Calculation of Lightning Protection for An Explosives Warehouse An explosives warehouse is a unique facility that is characterized by its own requirements to lightning protection and grounding. A mandatory regulatory document is Federal Standards and Rules in Industrial Safety "Safety ...

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Our Partner Has Highly Appreciated ZANDZ Products

Our Partner Has Highly Appreciated ZANDZ Products

Our partner, Dmitry Krasavtsev (instagram.com/electric_noginsk/), has been working with the ZANDZ equipment for a long time. He repeatedly sent us photos and videos of the installation process. He and his clients are satisfied with the equipment quality. Dmitry described his impressions from operation of the ZANDZ equipment. According to the partner, he made the first order for equipment in ...

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Lightning Protection for A Vertical Stock Tank for Storing Water

Lightning Protection for A Vertical Stock Tank for Storing Water

The ZANDZ Technical Center has received a request to calculate the lightning protection system and grounding arrangement for water tanks. Let's consider the solution proposed by our engineers. The activities have been performed according to: - EIC, Rev. 7. Electrical Installations Code (hereinafter referred to as the EIC); - SO 153-34.21.122-2003 Instructions for Mounting Lightning Protection for ...

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Why Do Airplanes Need Grounding?

Why Do Airplanes Need Grounding?

Many of you probably know what happened to Boeing 737 MAX. By the beginning of 2021, its drawbacks that had led to two catastrophes with human victims have been identified and repaired. This airplane model has begun to be progressively returned into operation. But then, suddenly, on April 9, 2021, Boeing issued an order for the companies operating 737 MAX to inspect airplanes for "sufficient grounding ways for power supply system elements." This order covers not all Boeing 737 MAX but only those with particular serial numbers.

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ZANDZ Quiz Results

ZANDZ Quiz Results

In June, we had a quiz. You had to answer several simple questions to get valuable prices. Now, it is time to sum up the results and tell about winners. Vladimir Kraynov (https://vk.com/pooflon) won a multifunctional Swiss knife with a ZANDZ logo. Ekaterina Yakusheva (https://vk.com/ejakusheva) received a set of books by Prof. E.M. Bazelyan. Vladimir Lofink (https://vk.com/electrichead) won a ...

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Lightning Protection and Grounding for a Reproduction Health Center in the Voronezh Region

Lightning Protection and Grounding for a Reproduction Health Center in the Voronezh Region

The ZANDZ Technical Center has received a request to calculate the lightning protection and grounding system for the reproduction health center in the Voronezh Region. Let's consider the solution offered by our specialists. Initial data: facility: a reproduction health center; dimensions: 56.3 x 17.1 x 22.6 m; soil resistivity: 100 Ohm*m. Task: calculate the lightning protection system; calculate ...

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Congratulations on the Builder's Day!

Congratulations on the Builder's Day!

С днем строителя! - Happy Builder’s Day! Dear colleagues, we offer congratulations on the Builder's Day! Builders are more than just bricklayers wearing helmets. :-) This definition is much broader. Everyone who is engaged in erecting of reliable, comfortable, and safe structures may be called a builder. A well-tuned tandem of qualified designers and installers = success! We wish ...

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Specifics of Grounding Design for an Electrified Railroad

Specifics of Grounding Design for an Electrified Railroad

Recently, close attention to environmental issues has become a powerful drive for the development of railroad transportation. It is because now, it is important to know both how the product was manufactured and that it was delivered in an environmentally friendly manner. Electric traction has been known in railroad for almost 100 years. Here, large horizons exist for the use of Russia's ...

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Lightning Protection for a Summer Pavilion in the Moscow Region

Lightning Protection for a Summer Pavilion in the Moscow Region

A summer pavilion is a light architectural structure usually located in the garden or park, with benches and a table intended to protect against rain and direct sunlight and serving for rest and conversation. Usually, no lightning protection and grounding are provided for these facilities, but the customer requested it. The ZANDZ Technical Center has received a request to calculate the lightning ...

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Double Lightning Strike to an SUV (A Video)

Double Lightning Strike to an SUV (A Video)

The provided video shows an incident that took place about one month ago in Waverly (Kansas, the USA). During a strong storm, the lightning struck an SUV twice! During the event, a married couple with three children up to 2 years old were in the vehicle. Nobody was injured. Is it a stroke of luck? You can read our article People's Safety in Land Transport during Direct Lightning Strike for more ...

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Main Process Task of SDP

Main Process Task of SDP

Сommon use of electronics in smart technical devices makes us constantly keep in mind that microelectronic units have a low electrical strength. Many of them can be damaged by voltage lower than 1,000 V. Time of exposure to such voltage is not particularly important. Even several fractions of a microsecond are enough. Such surges are triggered by short-time current spikes of various origins, ...

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Grounding of A Diesel Generator Set and A Fire Brigade Station in the Krasnoyarsky Kray

Grounding of A Diesel Generator Set and A Fire Brigade Station in the Krasnoyarsky Kray

We have received a request to calculate grounding devices for a diesel generator set and a fire brigade station. The employees of the ZANDZ Technical Center have accepted this task and prepared the solution we are going to study below.

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Estimation of the lightning current passing through the SDP

Estimation of the lightning current passing through the SDP

Кольцевой заземляющий электрод - Annular grounding electrode Стенка - Wall Металлическая водопроводная труба - Metal water pipeline Заземляющие шины - Grounding buses УЗИП - SDP Фаза - Phase Электрическая силовая шина - Electrical power bud Сумма - Sum Нейтраль - Neutral ...

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Design for flying line grounding

Design for flying line grounding

The ZANDZ Technical Center sometimes receives requests to calculate grounding for the aircraft parking space. We have prepared a typical design for calculation of grounding for this facility, which can be downloaded and integrated into your project. It is known that, in this case, the soil in the site is sandy loam with the resistivity of 100 Ohm/m. The grounding arrangement is performed in ...

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